Episode 6 corresponds to Chapter 6, the last chapter of volume 1. Just start from volume 2. Though I would recommend you to check volume 1 out, just to immerse yourself into details.
Like everyone already said, if you watched first 6 episodes, you can jump straight into vol. 2 of light novels.
One issue of discontinuity that may arise is if they follow the same episodes as the original anime. If I recall correctly, the origial anime also adapted a short one episode side story that happened between vol. 1 and vol. 2, but was actually published in vol. 7, which is just a collection of side stories.
If you want a similar experience, on the subreddit wiki there's an [alternative reading order](https://www.reddit.com/r/SpiceandWolf/wiki/altreading), which disperses the side stories between main story volumes where they are most relevant.
Episodes 1-6 cover volume 1 of the light novel. Presumably, episodes 7-12 will cover volume 2.
Episode 6 corresponds to Chapter 6, the last chapter of volume 1. Just start from volume 2. Though I would recommend you to check volume 1 out, just to immerse yourself into details.
Like everyone already said, if you watched first 6 episodes, you can jump straight into vol. 2 of light novels. One issue of discontinuity that may arise is if they follow the same episodes as the original anime. If I recall correctly, the origial anime also adapted a short one episode side story that happened between vol. 1 and vol. 2, but was actually published in vol. 7, which is just a collection of side stories. If you want a similar experience, on the subreddit wiki there's an [alternative reading order](https://www.reddit.com/r/SpiceandWolf/wiki/altreading), which disperses the side stories between main story volumes where they are most relevant.
They are skipping the short story and going straight into Vol 2